taxeditor-store/src/main/java/eu/etaxonomy/taxeditor/operations/DeleteMediaOperation.java

   1 // $Id$
   2 /**
   3 * Copyright (C) 2007 EDIT
   4 * European Distributed Institute of Taxonomy
   5 * http://www.e-taxonomy.eu
   6 *
   7 * The contents of this file are subject to the Mozilla Public License Version 1.1
   8 * See LICENSE.TXT at the top of this package for the full license terms.
   9 */
  10
  11 package eu.etaxonomy.taxeditor.operations;
  12
  13 import org.eclipse.core.commands.ExecutionException;
  14 import org.eclipse.core.commands.operations.IUndoContext;
  15 import org.eclipse.core.runtime.IAdaptable;
  16 import org.eclipse.core.runtime.IProgressMonitor;
  17 import org.eclipse.core.runtime.IStatus;
  18
  19 import eu.etaxonomy.cdm.api.utility.ImagesUtility;
  20 import eu.etaxonomy.cdm.model.description.DescriptionBase;
  21 import eu.etaxonomy.cdm.model.media.Media;
  22
  23 /**
  24  * <p>DeleteMediaOperation class.</p>
  25  *
  26  * @author p.ciardelli
  27  * @created 31.03.2009
  28  * @version 1.0
  29  */
  30 public class DeleteMediaOperation extends AbstractPostOperation {
  31
  32         private Media media;
  33
  34         private DescriptionBase<?> description;
  35
  36         /**
  37          * <p>Constructor for DeleteMediaOperation.</p>
  38          *
  39          * @param undoContext a {@link org.eclipse.core.commands.operations.IUndoContext} object.
  40          * @param label a {@link java.lang.String} object.
  41          * @param description a {@link eu.etaxonomy.cdm.model.description.DescriptionBase} object.
  42          * @param media a {@link eu.etaxonomy.cdm.model.media.Media} object.
  43          * @param postOperationEnabled a {@link eu.etaxonomy.taxeditor.operations.IPostOperationEnabled} object.
  44          */
  45         public DeleteMediaOperation(String label, IUndoContext undoContext,
  46                         DescriptionBase<?> description, Media media, IPostOperationEnabled postOperationEnabled) {
  47                 super(label, undoContext, postOperationEnabled);
  48
  49                 this.media = media;
  50                 this.description = description;
  51         }
  52
  53         /* (non-Javadoc)
  54          * @see org.eclipse.core.commands.operations.AbstractOperation#execute(org.eclipse.core.runtime.IProgressMonitor, org.eclipse.core.runtime.IAdaptable)
  55          */
  56         /** {@inheritDoc} */
  57         @Override
  58         public IStatus execute(IProgressMonitor monitor, IAdaptable info)
  59                         throws ExecutionException {
  60
  61                 monitor.worked(20);
  62         ImagesUtility.removeMediaFromGallery(description, media);
  63                 monitor.worked(40);
  64
  65                 return postExecute(null);
  66         }
  67
  68         /* (non-Javadoc)
  69          * @see org.eclipse.core.commands.operations.AbstractOperation#redo(org.eclipse.core.runtime.IProgressMonitor, org.eclipse.core.runtime.IAdaptable)
  70          */
  71         /** {@inheritDoc} */
  72         @Override
  73         public IStatus redo(IProgressMonitor monitor, IAdaptable info)
  74                         throws ExecutionException {
  75                 return execute(monitor, info);
  76         }
  77
  78         /* (non-Javadoc)
  79          * @see org.eclipse.core.commands.operations.AbstractOperation#undo(org.eclipse.core.runtime.IProgressMonitor, org.eclipse.core.runtime.IAdaptable)
  80          */
  81         /** {@inheritDoc} */
  82         @Override
  83         public IStatus undo(IProgressMonitor monitor, IAdaptable info)
  84                         throws ExecutionException {
  85
  86                 ImagesUtility.addMediaToGallery(description, media);
  87
  88                 return postExecute(null);
  89         }
  90
  91
  92 }